Answer:
Without genetic diversity, natural selection cannot occur
Answer:
Human habitation.
Explanation:
The Bering land bridge is a postulated route of human migration to the Americas from Asia about 20,000 years ago.
Answer:
The answer is the items at the end of the list.
Explanation:
The student in the example is more likely to remember the items at the end of the list, due to a phenomenon called the recency effect: we will remember best the most recent information. At the same time, this is related to the serial-position effect, which states that the order of the items in a list influences the way we remember them. More specifically, <u>we remember items at the end and the beginning more easily</u>.
Answer:
Sample size has a great affect on the hypothesis. Greater the sample size, greater the power of test and vice versa. Level of significance indicates about the hypothesis whether it is true or false. If the difference between actual value and hypothesis is large, so this hypothesis is considered as false.
Explanation:
For example, if a scientist performed an experiment on fertilizer and make a hypothesis that fertilizer enhance plants growth and yield. If the difference between the actual value and hypothesis is small so this hypothesis is accepted and verified again and again.
